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Description: This code shows how we can perform rubber-banding in an OpenGL application
The source code here includes a simple C++ class called jxglTracker. The two main member functions in the class are DrawTrackRect() and Track(). In the DrawTrackRect() function, the logic op is enabled by calling glEnable(GL_COLOR_LOGIC_OP) and the XOR mode is set by calling glLogicOp(GL_XOR). The rubber-banding rectangle is drawn using glRecti().-This code shows how we can perform rubber-banding system in an OpenGL application The source code here includes a simple C class called jxglTracker. The two main member functions in the class are DrawTrackRect () and Track (). In the DrawTrackRect () function , the logic op is enabled by calling glEnable (GL_COLOR_LOGIC_OP) and the XOR mode is set by calling glLogicOp (GL_XOR). The rubber-banding system rectangle is drawn using glRecti ().
Platform: |
Size: 2843 |
Author: 吴婷 |
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Description: This code shows how we can perform rubber-banding in an OpenGL application
The source code here includes a simple C++ class called jxglTracker. The two main member functions in the class are DrawTrackRect() and Track(). In the DrawTrackRect() function, the logic op is enabled by calling glEnable(GL_COLOR_LOGIC_OP) and the XOR mode is set by calling glLogicOp(GL_XOR). The rubber-banding rectangle is drawn using glRecti().-This code shows how we can perform rubber-banding system in an OpenGL application The source code here includes a simple C class called jxglTracker. The two main member functions in the class are DrawTrackRect () and Track (). In the DrawTrackRect () function , the logic op is enabled by calling glEnable (GL_COLOR_LOGIC_OP) and the XOR mode is set by calling glLogicOp (GL_XOR). The rubber-banding system rectangle is drawn using glRecti ().
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Size: 2048 |
Author: 吴婷 |
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Description: opengl中的混合的例子，使用glEnable(GL_BLEND)和glBlendFunc(source, destination) 来控制混合的模式等 -This tutorial demonstrates blending in OpenGL.
Blending in OpenGL is very easy.. You will be able to blend
textures, colors, etc.. Into nice looking special effects..
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Size: 109568 |
Author: rongyao |
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Description: 在openGL的glEnable()函数中使用GL_FOG函数来启用雾效果。示例程序绘制了5个红色球体，每个球体和观察点的距离各不相同。-In openGL to glEnable () function to enable the use of GL_FOG function fog effects. The sample program draws five red spheres, each sphere and observation point distance vary.
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Size: 126976 |
Author: 王彬 |
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Description: glEnable() glDisable() attribute group (GL_ENABLE_BIT).
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Size: 14336 |
Author: kiulsfan |
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Description: 这段代码解释了什么是混合.就是将前景色与背景色结合得到新颜色的过程
背景色:又叫目标颜色,是已经进入颜色缓冲区的颜色.
前景色:当前渲染命令的颜色,作为结果进入缓冲区,又叫源颜色.
混合有混合方程式,混合方程式有两个混合因子来计算最终的混合颜色.
打开命令:glEnable(GL_BELNDING);//blend:混合
混合因子的设置需要函数glBlendFunc();来实现,他有两个参数,分别是源混合因子和目标混合因子的值
而这两个混合因子有15个预定义的值.(This code explains what is a mix. Is it a process to combine the foreground color with the background color to get the new color
Background color: also called target color, is the color that has entered the color buffer.
Foreground color: the color of the render command currently, as a result into the buffer, also called source color.
Mixing equations and mixing equations have two mixing factors to calculate the final mixing color.
Open command: glEnable(GL_BELNDING);/ / blend: mixed)
Platform: |
Size: 19458048 |
Author: l1994z
|
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Description: 这段代码解释了什么是混合.就是将前景色与背景色结合得到新颜色的过程
背景色:又叫目标颜色,是已经进入颜色缓冲区的颜色.
前景色:当前渲染命令的颜色,作为结果进入缓冲区,又叫源颜色.
混合有混合方程式,混合方程式有两个混合因子来计算最终的混合颜色.
打开命令:glEnable(GL_BELNDING);//blend:混合(This code explains what is a mix. Is it a process to combine the foreground color with the background color to get the new color
Background color: also called target color, is the color that has entered the color buffer.
Foreground color: the color of the render command currently, as a result into the buffer, also called source color.
Mixing equations and mixing equations have two mixing factors to calculate the final mixing color.
Open command: glEnable(GL_BELNDING);/ / blend: mixed)
Platform: |
Size: 19173376 |
Author: l1994z
|
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